1. Materials Group, Center for Applied Nuclear Science and Technology (PSTNT), National Nuclear Energy Agency (BATAN), Bandung, Indonesia
2. Radioisotope and Labeled Compound Group, Center for Applied Nuclear Science and Technology (PSTNT), National Nuclear Energy Agency (BATAN), Bandung, Indonesia
3. Biological Activity Division, Central Laboratory, Padjadjaran University, Jatinangor, Indonesia